/// <summary>
/// Runs a DTLS handshake test between two threads on a loopback address. The main motivation for
/// this test was that the first DTLS handshake between this application and a client browser
/// was often substantially slower and occasionally failed. By doing a loopback test the idea
/// is that the internal OpenSSL state is initialised.
/// </summary>
private void DoDtlsHandshakeLoopbackTest()
{
IPAddress testAddr = IPAddress.Loopback;
Socket svrSock = new Socket(testAddr.AddressFamily, SocketType.Dgram, ProtocolType.Udp);
svrSock.Bind(new IPEndPoint(testAddr, 9000));
int svrPort = ((IPEndPoint)svrSock.LocalEndPoint).Port;
DtlsHandshake svrHandshake = new DtlsHandshake(_dtlsCertificatePath, _dtlsKeyPath);
//svrHandshake.Debug = true;
var svrTask = Task.Run(() => svrHandshake.DoHandshakeAsServer((ulong)svrSock.Handle));
Socket cliSock = new Socket(testAddr.AddressFamily, SocketType.Dgram, ProtocolType.Udp);
cliSock.Bind(new IPEndPoint(testAddr, 0));
cliSock.Connect(testAddr, svrPort);
DtlsHandshake cliHandshake = new DtlsHandshake();
//cliHandshake.Debug = true;
var cliTask = Task.Run(() => cliHandshake.DoHandshakeAsClient((ulong)cliSock.Handle, (short)testAddr.AddressFamily, testAddr.GetAddressBytes(), (ushort)svrPort));
bool result = Task.WaitAll(new Task[] { svrTask, cliTask }, TEST_DTLS_HANDSHAKE_TIMEOUT);
cliHandshake.Shutdown();
svrHandshake.Shutdown();
cliSock.Close();
svrSock.Close();
}
/// <summary>
/// Runs a DTLS handshake test between two threads on a loopback address. The main motivation for
/// this test was that the first DTLS handshake between this application and a client browser
/// was often substantially slower and occasionally failed. By doing a loopback test the idea
/// is that the internal OpenSSL state is initialised.
/// </summary>
private static void DoDtlsHandshakeLoopbackTest()
{
IPAddress testAddr = IPAddress.Loopback;
//var dtlsFingerprint = DTLS_CERTIFICATE_FINGERPRINT.Substring(DTLS_CERTIFICATE_FINGERPRINT.Length + 1).Trim().Replace(":", "").Replace(" ", "");
//var dtlsFingerprintBuffer = SIPSorcery.Sys.ByteBufferInfo.ParseHexStr(dtlsFingerprint);
Socket svrSock = new Socket(testAddr.AddressFamily, SocketType.Dgram, ProtocolType.Udp);
svrSock.Bind(new IPEndPoint(testAddr, 9000));
int svrPort = ((IPEndPoint)svrSock.LocalEndPoint).Port;
DtlsHandshake svrHandshake = new DtlsHandshake(DTLS_CERTIFICATE_PATH, DTLS_KEY_PATH);
svrHandshake.Debug = true;
byte[] clientFingerprint = null;
var svrTask = Task.Run(() => svrHandshake.DoHandshakeAsServer((ulong)svrSock.Handle, ref clientFingerprint));
Socket cliSock = new Socket(testAddr.AddressFamily, SocketType.Dgram, ProtocolType.Udp);
cliSock.Bind(new IPEndPoint(testAddr, 0));
cliSock.Connect(testAddr, svrPort);
DtlsHandshake cliHandshake = new DtlsHandshake();
cliHandshake.Debug = true;
byte[] serverFingerprint = null;
var cliTask = Task.Run(() => cliHandshake.DoHandshakeAsClient((ulong)cliSock.Handle, (short)testAddr.AddressFamily, testAddr.GetAddressBytes(), (ushort)svrPort, ref serverFingerprint));
bool result = Task.WaitAll(new Task[] { svrTask, cliTask }, TEST_DTLS_HANDSHAKE_TIMEOUT);
cliHandshake.Shutdown();
svrHandshake.Shutdown();
cliSock.Close();
svrSock.Close();
}